1. Someone turned gay by the homoerotic initiations practiced fraternities and Ivy League secret societies such as spanking bare asses, making blindfolded pledges masturbate onto a cracker, and in the case of Skull & Bones being sodomized in a coffin. 2. Someone who becomes addicted to such practices 3. The part of the psyche of pledgemasters and other fraternity brothers that allows them to choose and invent these ritual sexual humiliations. 4. adjective for actions or persons exhibiting this quality.

I'd like to join a frat because it's a good way for business majors to network, but my girlfriend is afraid I'll go fraternigay.